Question

The hydronium ion concentration in coffee is 1 x 10^-5 M. What is the pH of coffee?

Answer 1

pH = -log(H^+)

Answer 2

pH= -log(H+)=5 Yep, it is acid, it rots your teeth

Answer 3

The only difference is that lemon juice rots teeth faster since it is about 1000 times stronger.

Answer 4

True because I did learn that the lower the pH the more acidic it is.